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// Team Mongoose
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#endregion

using System;
using DiceRoller.Dice;
using Microsoft.VisualStudio.TestTools.UnitTesting;

namespace DiceRoller.Tests.Dice
{
    [TestClass()]
    public class BoundedDieTests
    {
        [TestMethod()]
        [Description("Confirms that the constuctor maxValue parameter must be at least one")]
        public void ConstructorShouldRequireGreaterThan1MaxValue()
        {
            try
            {
                new BoundedDie(1);
                Assert.Fail("Exception should have been thrown");
            }
            catch (ArgumentOutOfRangeException exception)
            {
                Assert.AreEqual("The minimum value of '1' must be less than the supplied maximum value of '1'\r\nParameter name: minValue", exception.Message);
#if !SILVERLIGHT
                Assert.AreEqual(1, exception.ActualValue);
                Assert.AreEqual("maxValue", exception.ParamName);
#endif
            }
        }

        [TestMethod()]
        [Description("Confirms that the MinimumValue is set to 1")]
        public void ConstructorShouldDefaultTo1MinimumValue()
        {
            var die = new BoundedDie(2);

            Assert.AreEqual(1, die.MinimumValue);
        }

        [TestMethod()]
        [Description("Confirms that the MaximumValueValue is set to the supplied constructor parameter")]
        public void ConstructorShouldSetMaximumValue()
        {
            const Int32 Value = 50;

            var die = new BoundedDie(Value);

            Assert.AreEqual(Value, die.MaximumValue);
        }

        [TestMethod()]
        [Description("If a Die is not rolled yet, the LastRoll property should default to the MinimumValue")]
        public void LastRollShouldDefaultToMinimumValue()
        {
            const Int32 Value = 50;

            var die = new BoundedDie(Value);

            Assert.AreEqual(die.MinimumValue, die.LastRoll);
        }

        [TestMethod()]
        [Description("The Roll method should set the LastRoll property equal to the returned value")]
        public void RollShouldSetLastRollValueAndRaiseEvent()
        {
            const Int32 Value = 50;
            var eventRaised = false;

            var die = new BoundedDie(Value);
            die.PropertyChanged += (sender, args) => { eventRaised = true; };
            var rolled = die.Roll();
            Assert.AreEqual(rolled, die.LastRoll);
            Assert.IsTrue(eventRaised);
        }
    }
}
